Respuesta :

Answer:

[tex]y = \frac{b - a}{a} [/tex]

Step-by-step explanation:

ay+a=b

ay=b-a

[tex]y = \frac{b - a}{a} [/tex]

or simply b/a -1

Answer:

divide both sides by a

(y+1)=b/a

open the brackets

y+1=b/a

minus 1

y=(b/a)-1